./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:37,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:37,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:38:37,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:37,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:37,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:37,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:37,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:37,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:37,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:37,545 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:37,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:37,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:37,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:37,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:37,549 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:37,550 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:37,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:37,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:37,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:37,553 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:37,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:37,555 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:37,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:37,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:37,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:37,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:37,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:37,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:37,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:37,562 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:37,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:37,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2023-11-19 03:38:37,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:37,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:37,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:37,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:37,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:37,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2023-11-19 03:38:41,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:41,840 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:41,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2023-11-19 03:38:41,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/data/c1ee0fec9/94247d687fc34de9a22a2e63d32cf619/FLAG4b82cdc4f [2023-11-19 03:38:41,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/data/c1ee0fec9/94247d687fc34de9a22a2e63d32cf619 [2023-11-19 03:38:41,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:41,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:41,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:41,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:41,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:41,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470ce57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41, skipping insertion in model container [2023-11-19 03:38:41,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:42,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:42,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:42,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:42,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:43,049 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:43,057 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:43,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43 WrapperNode [2023-11-19 03:38:43,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:43,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:43,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:43,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:43,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,227 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1407 [2023-11-19 03:38:43,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:43,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:43,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:43,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:43,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:43,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:43,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:43,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:43,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:43" (1/1) ... [2023-11-19 03:38:43,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:43,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:43,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb0bbb8-94cf-4c2c-aefa-ba07171879af/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:38:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:38:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:38:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:38:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:38:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:43,903 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:43,906 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:45,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:48,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:48,087 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:38:48,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:48 BoogieIcfgContainer [2023-11-19 03:38:48,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:48,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:48,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:48,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:48,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:48" (1/1) ... [2023-11-19 03:38:48,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-19 03:38:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-19 03:38:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:38:48,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:48,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:48,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-11-19 03:38:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-11-19 03:38:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:38:48,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2023-11-19 03:38:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-19 03:38:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:38:48,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:49,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:49,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-19 03:38:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-19 03:38:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:38:49,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:49,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:49,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2023-11-19 03:38:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2023-11-19 03:38:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:38:49,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:49,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:49,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-11-19 03:38:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-11-19 03:38:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:38:49,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:49,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:49,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:49,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:38:59,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-11-19 03:38:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-11-19 03:38:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:38:59,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:00,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:39:00,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:10,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:39:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 150 states and 223 transitions. [2023-11-19 03:39:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2023-11-19 03:39:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:39:11,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:11,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:39:11,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:17,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:39:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 150 states and 221 transitions. [2023-11-19 03:39:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 221 transitions. [2023-11-19 03:39:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:39:17,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:17,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:17,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:39:17,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:39:27,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:39:37,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []